On Mon, 27 Feb 2023 18:06:01 +0000, Ackerley Tng wrote: > Align the guest stack to match calling sequence requirements in > section "The Stack Frame" of the System V ABI AMD64 Architecture > Processor Supplement, which requires the value (%rsp + 8), NOT %rsp, > to be a multiple of 16 when control is transferred to the function > entry point. I.e. in a normal function call, %rsp needs to be 16-byte > aligned _before_ CALL, not after. > > [...] Applied to kvm-x86 selftests, thanks! [1/1] KVM: selftests: Adjust VM's initial stack address to align with SysV ABI spec https://github.com/kvm-x86/linux/commit/1982754bd2a7 -- https://github.com/kvm-x86/linux/tree/next https://github.com/kvm-x86/linux/tree/fixes